1H-Pyrrole-3-propanoic acid, 5-(aminomethyl)-4-(carboxymethyl)- 1H-Pyrrole-3-propanoic acid, 5-(aminomethyl)-4-(carboxymethyl)- (9CI) 2-aminomethylpyrrol-3-acetic acid 4-propionic acid 487-90-1 5-(Aminomethyl)-4-(carboxymethyl)-1H-pyrrole-3-propanoic acid 5-(Aminomethyl)-4-(carboxymethyl)-1H-pyrrole-3-propionic acid PBG Porphobilinogen Pyrrole-3-propionic acid, 5-(aminomethyl)-4-(carboxymethyl)- Pyrrole-3-propionic acid, 5-(aminomethyl)-4-(carboxymethyl)- (6CI,8CI)